By default, Citra saves your data (and Miis) in your computer's hidden system folders. To make it truly portable (e.g., on a USB stick or a specific folder): Create a "user" folder: In the same directory where your citra-qt.exe is located, create a new folder simply named
This is a deep guide on setting up, optimizing, and using on the Citra emulator in portable mode. citra mii maker portable